Hair iron



FIG. 1 is a top view of a hair iron showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof, the opposite side view being a mirror image;

FIG. 6 is a top front perspective view thereof, the opposite side view being a mirror image;

FIG. 7 is a top rear perspective view thereof, the opposite side view being a mirror image; and,

FIG. 8 is a bottom front perspective view thereof, the opposite side view being a mirror image. 

The ornamental design for a hair iron, as shown and described. 